Module: FastExcel::FormatExt

Includes:
AttributeHelper
Defined in:
lib/fast_excel.rb

Constant Summary collapse

ALIGN_ENUM = 
Libxlsxwriter.enum_type(:format_alignments)
BORDER_ENUM = 
Libxlsxwriter.enum_type(:format_borders)

Instance Method Summary collapse

Methods included from AttributeHelper

#fields_hash, #pretty_print, #set

Instance Method Details

#align ⇒ Object 


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# File 'lib/fast_excel.rb', line 627

def align
  {
    horizontal: ALIGN_ENUM.find(self[:text_h_align]),
    vertical:   ALIGN_ENUM.find(self[:text_v_align])
  }
end

#align=(value) ⇒ Object

Can be called as:

format.align = :align_center
format.align = "align_center"
format.align = :center
format.align = :align_center
format.align = {v: "center", h: "center"}

Possible values:

:align_none, :align_left, :align_center, :align_right, :align_fill, :align_justify,
:align_center_across, :align_distributed, :align_vertical_top, :align_vertical_bottom,
:align_vertical_center, :align_vertical_justify, :align_vertical_distributed


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# File 'lib/fast_excel.rb', line 593

def align=(value)
  value = value.to_sym if value.is_a?(String)

  if value.is_a?(Symbol)
    if ALIGN_ENUM.find(value)
      set_align(value)
    elsif ALIGN_ENUM.find(prefixed = "align_#{value}".to_sym)
      set_align(prefixed)
    else
      raise ArgumentError, "Can not set align = #{value.inspect}, possible values are: #{ALIGN_ENUM.symbols}"
    end
  elsif value.is_a?(Hash)
    if value[:horizontal]
      self.align = "align_#{value[:horizontal].to_s.sub(/^align_/, '')}".to_sym
    end
    if value[:h]
      self.align = "align_#{value[:h].to_s.sub(/^align_/, '')}".to_sym
    end
    if value[:vertical]
      self.align = "align_vertical_#{value[:vertical].to_s.sub(/^align_vertical_/, '')}".to_sym
    end
    if value[:v]
      self.align = "align_vertical_#{value[:v].to_s.sub(/^align_vertical_/, '')}".to_sym
    end
    possible = [:horizontal, :h, :vertical, :v]
    extras = value.keys - possible
    if extras.size > 0
      raise ArgumentError, "Not allowed keys for align: #{extras.inspect}, possible keys: #{possible.inspect}"
    end
  else
    raise ArgumentError, "value must be a symbol or a hash"
  end
end

#border_value(value) ⇒ Object

Raises:

  • (ArgumentError) 

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# File 'lib/fast_excel.rb', line 665

def border_value(value)
  # if a number
  return value if value.is_a?(Numeric) && BORDER_ENUM.find(value)

  orig_value = value
  value = value.to_sym if value.is_a?(String)

  return BORDER_ENUM.find(value) if BORDER_ENUM.find(value)
  return BORDER_ENUM.find(:"border_#{value}") if BORDER_ENUM.find(:"border_#{value}")

  short_symbols = BORDER_ENUM.symbols.map {|s| s.to_s.sub(/^border_/, '').to_sym }
  raise ArgumentError, "Unknown value #{orig_value.inspect} for border. Possible values: #{short_symbols}"
end

#font_family ⇒ Object 


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# File 'lib/fast_excel.rb', line 686

def font_family
  font_name
end

#font_family=(value) ⇒ Object 


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# File 'lib/fast_excel.rb', line 690

def font_family=(value)
  self.font_name = value
end

#set_font_size(value) ⇒ Object 


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# File 'lib/fast_excel.rb', line 679

def set_font_size(value)
  if value < 0
    raise ArgumentError, "font size should be >= 0 (use 0 for user default font size)"
  end
  super(value)
end